Steam-boiler cleaner



(No Model.)

f W. E. MOORE.

STEAM EOILEE CLEANER.

Patented Deo. 27, 1887-.v

WITNESSES IN'VENTOR N. PETERS, PhntLhhogrlpher. Wzihingon. D. C.

UNITED STATES PATENT OFFICE,

XVILLIAM B. MOORE, OF ORMAND, PENNSYLVANIA.

STEAM-BOlLER CLEANER.

SPECIFICATION forming part of Letters Patent No. 375,648, dated December27, 1887.

Application filed Septe1nher24, 1887. Serial No. 250,596.

To all whom it may concern.-

Be it known that I, WILLIAM B. MOORE, a citizen of the United States,residing at Ormand, in the county of Fayette and State of Pennsylvania,have invented certain new and useful Improvements in Steam-BoilerOleaners; and I do declare the following to be a full, clear, andexactdescription of the invention, such as will enable others skilled in theart to which it appertains to make and use the same, reference being hadto the accompanying drawings, and to the letters and figures ofreference marked thereon, which form apart of this specification.

My invention relates to a blowoff device for steam-boilers; and itconsists of the peculiar construction and combination of devices, thatwill be hereinafter fully described, and particularly pointed out in theclaims.

It is Well known to engineers and boilerattendants that sediment andimpurities accumulate and float on the surface of the water, and thatimpurities and sediment pass or escape only through the gage-cock thatis on the water-line.

The object of my invention is to provide a blow-off device which isadapted for use on portable and stationary steam boilers and which is soconstructed and arranged that the impurities and sediment which float onthe surface of vthc water can be readily drawn from the boiler. This object I accomplish by a single device, which is simple in construction andreliable and efficient in operation.

In the accompanying drawings, Figure l is a vertical sectional Viewtaken longitudinally through a steam-boiler; and Fig. 2 is a horizontalsectional view on the line m as of Figpl, showing the blow-off deviceadjusted to a horizontal position for drawing off the sediment on thesurface of the water. Fig. 3 is an enlarged View of the bushing D andhandle H.

Referring to the drawings, in which likeletters of reference denotecorresponding parts in all the figures, A designates an ordinarysteam-boiler, which in the present instance corresponds to the boiler ofa portable steamengine, which has the usual reboX, B, and the flues C. Iwould have it understood, however, that my invention can be used onstationary steamboilers as well as on portable (No model.)

steam-boilers. In either end of the boiler, or at any other suitablepoint at either side of the boiler on the waterline therein, I secure,in any suitable manner, a stuffing-box, D, of any preferred pattern, andthis stufiing-box has the usual central opening or passage through whichis passed a horizontal axiallyrotating tube or pipe, E. Thisaxially-turning pipe E is of such a length that its inner end enters andcommunicates with the interior of the boiler above the crown sheet ofthefirebox therein, and the outer end of the pipe eX- tends or projectsbeyond the boiler for a suitable distance. The eXtreme outer end of theaxially-turning pipe is provided with an an gular nozzle, e, whichnormally assumes a vertical position when the pipe is at rest and out ofuse, the nozzle being of suitable length and serving to conduct thesteam, water, gases, and other impurities from the boiler. The inner endof this pipe E is provided with lan angular or elbow arm or bend, F,which communicates with the horizontal portion of the pipel and isdisposed at any suitable angle thereto, preferably a right angle, andthe outer extremity of this angulararm or bend has a flaring mouth ornozzle, f, arranged at right angles to itself, this flaring mouthextending in substantially the same horizontal direction as the pipe E.The axially-turning pipe or tube E is provided with a valve, G, at apoint between the nozzle at the outer end thereof and the point where itenters the bushing. This valve is of the ordinary pattern and isnormally closed to cut oiil the escape of the steam, gases, tte., fromthe boiler.

The operation of my invention is obvious. The tube or pipe E normallyassumes a position so that the inner angular or elbow arm or bend, F,thereof lies substantially in the plane of the horizontal axis of thepipe, or the elbowarm may extend above the water-line and into thesteam-space of the boiler, and the valve G is closed to prevent theegress of the steam, &c. If it is desired to draw off the oatingimpurities or accumulated sediment on the surface of the water, the pipeor tube E is turned or rotated partially until the open flar ing mouththereof assumes a position on the -plane of the water-line of theboiler, the water and the impurities suspended therein or float- ICO ingon the surface thereof flowing freely into and through the pipe E. Thepipe is rotated slowly by the attendant as the water in the boilerfalls, so that the Water will enter the same at all times until it fallson or below the level of the crown sheet of the fire-box. To prevent theWater in the axially-turning pipe or tube E from freezing, it is onlynecessary to turn the pipe until the arm F assumes a vertical positionand the nozzle e ahorizontal or an inclined position, and then open thevalve to permit the water to flow out of the pipe E and the nozzle ethereof.

From the foregoing description it will be seen that by the use of theaxially-turning valved pipe or tube located at or near the water-line ofthe boiler I am enabled to provide a simple and inexpensive device,which serves efficiently to `draw off both the gaseous and liquid orsemi-fluid impurities that may accumulate in the boiler.

It Will be understood that my invention is to be used for drawing offthe sediment or impurities that may accumulate on the surface of thewater.

Any suitable contrivance may be employed for turning or rotating thepipe or tube E, which device is tobe located outside of the boiler andwithin convenient reach of the attendant. I prefer to employ a handle,H, which is made of wood or other non-conductor of heat and is rigidlyfixed or secured to a shank, g, that is formed with a ring or sleeve, h,which is tted over the nozzle c of the pipe or tube E, said sleeve orring being clamped to the nozzle at any suitable point by means of abinding-screw, h, Which Works in a threaded aperturein the sleeve orring and bears against the nozzle, as shown.

Having thus fully described my invention, what I claim as new, anddesire to secure by Letters Patent, is-

1. A blow-olf device for steam-boilers, consisting of an axially-turningimperforate tube or pipe, E, passing through the boiler-shell at or nearthe water-line thereof, an angular arm, F, fixed to the inner end of thetube or pipe and having at its free end alight-angled mouth, f, and avalve, G, iitted transversely in the tube or pipe at a point outside ofthe boilershell, substantially as described, for the purpose set forth.

2. The combination of a bushing, D, xed

in the boiler-shell at or near the water-line, an-

imperforate tube or pipe, E, fitted in the bushing and capable ofturning freely on its axis therein, an angular arm or tube, F, fixed tothe inner extremity of the pipe or tube and having a right-angledflaring mouth, f, extending therefrom in the same direction as the tubeor pipe E, and a valve, G, fitted transversely in the tubeor pipe E at apoint beyond the bushing, as and for the purpose described.

' 3. A blow-off device for steam-boilers, consisting of an imperforateaxially-turning tube or pipe, E, having a depending nozzle, e, at itsouter end, a bushing through which the pipe passes, an angular arm ortube, F, fixed to the inner end of the tube or pipe and having aright-angled flaring mouth, a valve, G, fitted transversely in the tubeor pipe at a point beyond the bushing, and a handle, H, provided with asleeve which is fitted over the nozzle c, and with a set-screw. forclamping the handle and sleeve to the nozzle, as and for the pur# posedescribed.

In testimony whereof I affix my signature in presence of two witnesses.

YV. B. MOORE.

Vitnesses:

J os. R. EDsoN, EDW. H. BERRY.

